Analysis

  • max time kernel
    164s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/03/2024, 23:01

General

  • Target

    d74b818fed28474efd42bc8db3435270.exe

  • Size

    1003KB

  • MD5

    d74b818fed28474efd42bc8db3435270

  • SHA1

    fa2ed6756adb7eab85cbf2ea390beaf233d62b5b

  • SHA256

    39aa7ff7f612a70b79284e5c9d33d61125f4949a005cc2ab1dc24c3d6b10a9ff

  • SHA512

    426bfca2c9acdb91c6cdc0070366a37f0a70d42fefcdc3c9f3582342b550580fe90dc994c5577a215b3e77834317aabe1e90f9d3053886b5d8eac824d2330021

  • SSDEEP

    24576:CHPWDtQCZlWF/NY30ddGQoadai7D3uITjIFOxo53ApIj:C+5puFNqGdGQ7ai7D3xTgOxYwpK

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • Program crash 17 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d74b818fed28474efd42bc8db3435270.exe
    "C:\Users\Admin\AppData\Local\Temp\d74b818fed28474efd42bc8db3435270.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:552
    • C:\Users\Admin\AppData\Local\Temp\d74b818fed28474efd42bc8db3435270.exe
      C:\Users\Admin\AppData\Local\Temp\d74b818fed28474efd42bc8db3435270.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:456
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\d74b818fed28474efd42bc8db3435270.exe" /TN v3dGbWFyc353 /F
        3⤵
        • Creates scheduled task(s)
        PID:1432
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN v3dGbWFyc353 > C:\Users\Admin\AppData\Local\Temp\cU7IPnS.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1216
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN v3dGbWFyc353
          4⤵
            PID:872
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 604
          3⤵
          • Program crash
          PID:4016
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 652
          3⤵
          • Program crash
          PID:3260
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 736
          3⤵
          • Program crash
          PID:4788
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 776
          3⤵
          • Program crash
          PID:336
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 752
          3⤵
          • Program crash
          PID:180
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 760
          3⤵
          • Program crash
          PID:1404
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 1480
          3⤵
          • Program crash
          PID:3456
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 1916
          3⤵
          • Program crash
          PID:2340
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 2020
          3⤵
          • Program crash
          PID:3304
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 1928
          3⤵
          • Program crash
          PID:2352
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 2104
          3⤵
          • Program crash
          PID:3900
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 2172
          3⤵
          • Program crash
          PID:3432
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 1920
          3⤵
          • Program crash
          PID:4068
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 2168
          3⤵
          • Program crash
          PID:2388
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 1948
          3⤵
          • Program crash
          PID:212
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 1964
          3⤵
          • Program crash
          PID:1236
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 2000
          3⤵
          • Program crash
          PID:4500
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4140 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3248
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 456 -ip 456
        1⤵
          PID:1924
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 456 -ip 456
          1⤵
            PID:2028
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 456 -ip 456
            1⤵
              PID:2772
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 456 -ip 456
              1⤵
                PID:1640
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 456 -ip 456
                1⤵
                  PID:4508
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 456 -ip 456
                  1⤵
                    PID:4964
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 456 -ip 456
                    1⤵
                      PID:3704
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 456 -ip 456
                      1⤵
                        PID:1920
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 608 -p 456 -ip 456
                        1⤵
                          PID:4108
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 456 -ip 456
                          1⤵
                            PID:3920
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 456 -ip 456
                            1⤵
                              PID:180
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 456 -ip 456
                              1⤵
                                PID:4212
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 456 -ip 456
                                1⤵
                                  PID:3480
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 456 -ip 456
                                  1⤵
                                    PID:1652
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 456 -ip 456
                                    1⤵
                                      PID:4688
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 456 -ip 456
                                      1⤵
                                        PID:3620
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 456 -ip 456
                                        1⤵
                                          PID:3380

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Temp\cU7IPnS.xml

                                          Filesize

                                          1KB

                                          MD5

                                          62f08eb84a040fe777621e230b79c706

                                          SHA1

                                          d92efff5a9833ecf05c9efa1cf57a27d3f74759b

                                          SHA256

                                          fae805304532c08d52350ee755f844ecc3211ed3ba3e263b8f0f5723afac1052

                                          SHA512

                                          ba31335df31a2bbaa7cc24773cae31ba0bcc876f61bbc8bb03a192188295d333a04b339adece4d8405a85e03e3915fccfe2c35546d0c895228a52a2a10cdf53e

                                        • C:\Users\Admin\AppData\Local\Temp\d74b818fed28474efd42bc8db3435270.exe

                                          Filesize

                                          1003KB

                                          MD5

                                          fc4727650695205e81a74e7d3076e7b4

                                          SHA1

                                          5bf4495baf6c05fbec6f35aef4f74bbc92cb1153

                                          SHA256

                                          56e64bbffdd55847017b88cab5e725e7a748aed3f760c9cfefcc0f57f3940da1

                                          SHA512

                                          6bc7925aeaba42ccac489a50893d269f5cc9e044c7a4e5f1b94ab856cd4341f874644583f12b80d9e1e71d4b67e3e28dd827d683346acd04e2aaeb873eeaeaed

                                        • memory/456-15-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/456-17-0x00000000017A0000-0x000000000181E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/456-23-0x0000000000470000-0x00000000004DB000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/456-24-0x0000000000400000-0x000000000045B000-memory.dmp

                                          Filesize

                                          364KB

                                        • memory/456-33-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/552-0-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/552-1-0x0000000000400000-0x000000000065C000-memory.dmp

                                          Filesize

                                          2.4MB

                                        • memory/552-2-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB

                                        • memory/552-5-0x00000000260B0000-0x000000002612E000-memory.dmp

                                          Filesize

                                          504KB

                                        • memory/552-14-0x0000000000400000-0x000000000046B000-memory.dmp

                                          Filesize

                                          428KB